Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

• V. C. Müller8 · h 15
• C. Bellavita2 · h 4
• G. Stylogiannis2 · h 4
• Anastasios Lytos1 · h 6
• D. Norrbo1 · h 5
• Georgios Nikolaidis1 · h 2
• Gordana Dodig-Crnkovic1 · h 24
• J. A. Virtanen1 · h 1
• Kalina Bontcheva1 · h 55
• M. Hoffmann1 · h 25
• Panagiotis G. Sarigiannidis1 · h 27
• S. Miihkinen1 · h 7

• Aristotle University of ThessalonikiGR2 papers
• American College of Financial ServicesUS1 paper
• American Farm SchoolGR1 paper
• Hellenic Agency for Local Development and Local GovernmentGR1 paper
• Italian Institute of TechnologyIT1 paper
• South East European Research CentreGR1 paper
• Statistics FinlandFI1 paper
• The American College of GreeceGR1 paper
• Universitat de BarcelonaES1 paper
• University of Eastern FinlandFI1 paper
• University of HelsinkiFI1 paper
• University of OxfordGB1 paper